package com.ssyt.yt1.day2;


/**
 * 常量命名
 * 
 * @author Administrator
 *
 */
public class Constant {

	/**
	 * 单词全大写，多个单词使用_分隔
	 */
	public static final double PI = 3.1415926;

	public static void main(String[] args) {
		// The final field Constant.PI cannot be assigned
		// PI = 1.0;
	}
}
